Pro-Ject Optical Box E Phono Amplifier with ND Converter Instruction Manual

Pro-Ject Optical Box E Phono Amplifier with ND Converter

Dear music lover,

thank you for purchasing a Pro-Ject Audio phono amplifier with ND converter.
In order to achieve maximum performance and reliability you should study these instructions for use carefully.
Warning of o hazard for the user, the unit or possible misuse
Important notice

Connectors

Make all connections whilst the phono amplifier is disconnected from the power supply.
Toke core to connect the left and right channels correctly. The right channel is usually marked red, the left channel block or white.
Do not connect the phono amplifiers output to o phono input (sometimes lobe/led gram, disc or RIM) on the amplifier.
Never use any other power supply than the one supplied with the unit.

Input selector

Operating the push button Phono/ Line selects the inputs. “Phono” represents signal from Phono In RCA sockets. “Line” activates line level input Line In (jock 3.5mm).

Connecting the record player

Input button set to “Phono”.
Connect the tonearm signal lead to the Phono In RCA sockets of the phono preamplifier. The earthing wire may be connected to the screw terminal GND if you encounter hum problems when using the record player.

Line level input

Input button set to “Line”.
A line level signal source (e.g. tape deck or reel deck) con be connected to the unit using Line In socket.
Integrated A/D converter relay the signal to digital data using Optical Out.

Sampling frequency

A dip switch located on the bottom of the unit sets the ND converter output sampling rote to 96kHz or 48kHz.
The Switch set towards bock side (to the connectors) represent 48kHz. Some of the amplifiers (soundborsetc.) cannot handle sampling frequency higher than 48Hz.

Connection to the amplifier (Sound Bar, AV receiver etc.)

The unit provides analogue and digital output connection.
Use the analogue Line Out output of the unit for connection to a line input (such as AUX, CD, Tuner, Tope or Video) in your amplifier.

Alternatively the built in AD converter allows to relay signal from inputs (Phono or Line) in digital format out of the unit using Optical Out digital output to the corresponding digital input of the amplifier or any Sound Bar, AV-receiver etc.
Both outputs (analogue and digital) run simultaneously.

Mains power connection

Connect the low voltage plug from the power supply to the Power 18V socket of the phono amplifier before connecting the power supply to the mains.

Technical specifications Pro-Ject Optical Box E Phono

supply
Power consumption:| 200mA DC
Dimensions W x H x D (D with sockets):| 120 x 32 x l 00 (106)mm
Weight:| 250g without power supply

Service

Should you encounter a problem which you ore not able to alleviate or identify despite the above information, please contact your dealer for further advice. Only when the problem cannot be resolved there should the unit be sent to the responsible distributor in your country.

Warranty

The manufacturer accepts no responsibility for damage caused by not adhering to these instructions for use. Modification or change to any part of the product by unauthorized persons; release the manufacturer from any liability over and above the lawful rights of the customer.

Copyright, trademarks

Pro-Jed Audio Systems is a Registered Trademark of H. Lichtenberger.
This guide was produced by: Pro-Ject Audio Systems Copyright c 2017. All rights reserved.

The information was correct at the time of going to press. The manufacturer reserves the right to make changes to the technical specification without prior notice as deemed necessary to uphold the ongoing process of technical development.

© Pro-Ject Audio Systems ·
Pro-Ject Optical Box E Pho no (from S/ N l 7F01 l 039) · Revision 2017.8.15

Documents / Resources

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